The new Edge on Chromium is phased in through Windows Update as a standalone update KB4541302, which replaces the classic Microsoft Edge on Windows 10 systems.
The release of the new Microsoft Edge browser based on Chromium took place on January 15, and anyone can download and install it on their Windows 10, 8.1, 7 or macOS system.
Automatic Delivery through Windows Update
Devices running Windows 10 Home and Pro editions that did not have a new browser installed will receive Edge on Chromium through Windows Update over the next few months.
Edge on Chromium is available as a separate service pack KB4541302 for Windows 10, when installed, it replaces the classic Microsoft Edge.
Microsoft Edge Update for Windows 10 Version 1909 for x64-based Systems, 202003 (KB4541302)
After installation, the update will require a system reboot. After that, you just have to set up a new browser.
To get Edge on Chromium through Windows Update, you must use Windows 10 version 1803 (April 2018 Update) and newer, only the Home and Pro editions.
Microsoft Edge Auto Update Lock
Windows 10 Home and Pro users can install the Blocker Toolkit to prevent the Edge from automatically delivering to Chromium through Windows Update. This tool makes registry changes and blocks the download of a new Edge.